US9725078B2 - Cabling device and electronic brake system for a modular heavy goods vehicle and for a heavy goods vehicle - Google Patents

Cabling device and electronic brake system for a modular heavy goods vehicle and for a heavy goods vehicle Download PDF

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US9725078B2
US9725078B2 US14/366,406 US201214366406A US9725078B2 US 9725078 B2 US9725078 B2 US 9725078B2 US 201214366406 A US201214366406 A US 201214366406A US 9725078 B2 US9725078 B2 US 9725078B2
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data
electronic braking
braking system
heavy load
cables
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US20150298669A1 (en
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Thomas Boeer
Armin Baader
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Goldhofer AG
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Goldhofer AG
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Assigned to GOLDHOFER AKTIENGESELLSCHAFT reassignment GOLDHOFER AKTIENGESELLSCHAFT ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: BAADER, ARMIN, BOEER, THOMAS
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T8/00—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
    • B60T8/17—Using electrical or electronic regulation means to control braking
    • B60T8/1701—Braking or traction control means specially adapted for particular types of vehicles
    • B60T8/1708—Braking or traction control means specially adapted for particular types of vehicles for lorries or tractor-trailer combinations

Definitions

  • the invention relates to a wiring system for a heavy load vehicle module, an electronic braking system for a heavy load vehicle module, as well as an electronic braking system for a heavy load vehicle.
  • Heavy load vehicle modules also known as modular heavy load vehicles, serve for flexible and economical transportation of heavy loads in the cargo load range from 80 t to much larger than 10000 t, wherein multiple heavy load vehicle modules are combined into a heavy load vehicle suitable for transport, according to the requirements of the cargo to be transported.
  • the heavy load vehicle modules here may be connected with one another both in lengthwise as well as in transverse direction.
  • Such a heavy load vehicle module comprises a vehicle chassis with for example a box-shaped central support and stable lateral supports, as well as a reinforced loading surface to accept the load.
  • a heavy load vehicle module typically comprises multiple axles with single or dual tires, wherein depending on the loading, a hydraulic axle adjustment of the individual axles may be connected to various supporting circuits, in order to ensure equal loading on each axle. Steering of a heavy load vehicle module typically occurs via an all-wheel positive steering.
  • Such types of heavy load vehicle modules are of course equipped with brakes and correspond in their design to the braking systems for commercial vehicles, as they are described (for example) in Bosch: “ Kraftfahrtechnisches Taschenbuch ” (“Powered vehicle technical manual”), pp. 674-701, 23rd Edition, Braunschweig, 1999.
  • a brake command is transmitted via a pneumatic control connection in known braking systems for commercial vehicles, in particular for vehicle trailers.
  • EBS electronic braking system
  • ABS anti-lock braking systems
  • ASR anti-slip regulation
  • an amplifier/splitter For commercial vehicles in combination with more than one trailer, which are also designated as “roadtrains”, trailers whose design requires a length of CAN conductors of more than 18 meters, or trailers whose design requires more than one TEBS, an amplifier/splitter must be used for the CAN bus, in order to securely conduct the braking signals via the CAN bus to each respective TEBS or electronic trailer braking system, or also to transmit them further.
  • Such types of amplifier/splitter modules are designated as trailer roadtrain modules, or abbreviated as TRM, and are produced and marketed for example by the company Knorr Bremse Group. Further information about electronic braking systems for commercial vehicles and trailer roadtrain modules may be found on the website “www.knorr-bremse.com”.
  • a TRM comprises at least three connectors.
  • the “front” connector serves to connect the forward vehicle or the connector coming to the drive vehicle
  • the exiting “local” connector serves to transmit the CAN bus to the local TEBS
  • the “rear” connector serves to transmit the CAN signals to the TRM of the next vehicle or the TEBS of the last vehicle in the chain.
  • a fourth connector in a TRM serves to connect external pressure sensors, which generate a braking command to the local electronic braking system, building on the electro-pneumatic service braking system as underlying safety level.
  • Special vehicles in particular the above mentioned heavy load vehicle modules, may be moved in both directions of travel, and may be connected both in lengthwise as well as in transverse direction.
  • the use of electronic braking systems in heavy load vehicle modules implies for their combination to form a heavy load vehicle that a CAN bus must be formed to transmit the brake command to the local electronic braking systems, wherein the flexibility characteristics of the heavy load vehicle modules must remain intact.
  • the document DE 102 16 564 A1 relates a process for data exchange in a vehicle train, in which the individual vehicles are connected and communicate with one another via a PCL data bus.
  • a vehicle train consists of a motor vehicle and at least one trailer, wherein the trailers are coupled to the motor vehicle. Furthermore, additional trailers may also be coupled to these trailer(s).
  • all of the vehicle electronics present in the vehicles are connected with one another via a PLC data bus, whereby the vehicle electronics are typically designed as ABS control electronics.
  • Additional programmable output and input functions are provided in at least one of the trailer's ABS control electronics, which extend beyond the inherent ABS operations, and serve to perform additional service operations in this vehicle.
  • the at least one trailer's ABS control electronics with additional functions automatically and cyclically transmits the additional programmable functionalities implemented therein via the PLC data bus to all other ABS control electronics, which are thus able to determine the currently programmed functionalities there.
  • the control of these additional functions in the trailer's vehicle electronics equipped with these specific functionalities will then be operated via an input/output device provided in the motor vehicle, which is either directly or indirectly connected to the PLC data bus via the motor vehicle ABS control electronics.
  • the document EP 2 060 457 A1 concerns brake control module for an initial trailer of a powered load-bearing vehicle, with a tractor vehicle interface that comprises: a tractor vehicle CAN interface to connect with a tractor vehicle CAN connector of a tractor vehicle, a tractor vehicle power supply interface to connect with a tractor vehicle power supply connector of the tractor vehicle, and a tractor vehicle warning light interface to connect with a tractor vehicle warning light connector of the tractor vehicle; and with a secondary trailer interface to connect a secondary trailer that is coupled to the initial trailer, which comprises a secondary trailer CAN interface to connect with a secondary trailer CAN connector of the secondary trailer, a secondary trailer power supply interface to connect with a power connector of the secondary trailer, and a secondary trailer warning light interface ( 44 ) to connect with a secondary trailer warning light connector ( 46 ) of the secondary trailer.
  • the document EP 1 717 121 A1 concerns a bus system for power supply and communications in a tractor-trailer, composed of a tractor vehicle and a semi-trailer, wherein the bus system resides in the ABS module of the tractor vehicle:
  • the bus system comprises a bus controller with a bus protocol and at least one bus connector, which is electrically connected to the ABS processor, a power source, and at least one additional system that is electrically connected with the bus connector, such as sensors or actuators.
  • the invention therefore has the purpose of creating a means for wiring heavy load vehicle modules, an electronic braking system for a heavy load vehicle module, as well as an electronic braking system for a heavy load vehicle, composed of heavy load vehicle modules, while preserving the flexibility of the heavy load vehicle modules.
  • the means for wiring a heavy load vehicle module for connecting and disconnecting a multiplicity of data cables to conduct and transmit brake signal data to an electronic braking system of the heavy load vehicle module, wherein the electronic braking system comprises a data input to receive the brake signal data and a data output to transmit the brake signal data, switches among the multiplicity of data cables to connect one data cable to the data input of the electronic braking system and another data cable to the data output of the electronic braking system, and disconnects the remaining data cables, wherein the multiplicity of data cables is greater than or equal to four.
  • the means for wiring comprises a switching logic to select both of the data cables to be connected to the electronic braking system, and the data cables to be disconnected, wherein disconnected data cables are galvanically separated from the means for wiring.
  • the data cables are furthermore preferably provided with an encoding, by means of which the switching logic makes a selection.
  • the encoding occurs preferably by a voltage application to predetermined conductors of the data cables.
  • the electronic braking system for a heavy load vehicle module which comprises an electronic braking system with a data input to receive the brake signal data and a data output to transmit the brake signal data, wherein the electronic braking system comprises data cables to conduct and transmit brake signal data, includes:
  • the electronic braking system of a heavy load vehicle module preferably comprises an amplifier/splitter module TRM, and an electronic braking system module TEBS.
  • a socket is preferably arranged at each corner of the heavy load vehicle module.
  • a flexible connection of heavy load vehicle modules is thus possible in all combinations and the sockets are easily accessible.
  • the data cables of an electronic braking system of a heavy load vehicle module preferably comprise a CAN bus to transmit the braking data signals to the braking system.
  • CAN buses to transmit the braking data signals to the braking system.
  • a data cable comprises n conductors, wherein n is greater than or equal to four.
  • two conductors are used for the CAN bus, and two conductors serve for encoding and to control the switching logic of the means for wiring.
  • 10 conductors form data cables used in a heavy load vehicle module, wherein in addition to the conductors for the CAN bus and the encoding, the additional conductors serve to transmit signals and necessary voltages.
  • the electronic braking system according to the invention for a heavy load vehicle of N heavy load vehicle modules coupled with one another, wherein N is greater than or equal to two comprises an electronic braking system described above for each heavy load vehicle module, wherein the electronic braking systems of the heavy load vehicle modules are connected together among one other by connector cables arranged between the heavy load vehicle modules, so that a linear bus, in particular a CAN bus, is produced from the first to the last electronic braking system of the heavy load vehicle modules, to control the electronic braking systems of the heavy load vehicle modules.
  • the connector cables arranged between the heavy load modules are directionally dependent.
  • the connector cables have a front and a rear end, wherein the front end must be connected with a preceding heavy load vehicle module, and the rear end with a following heavy load vehicle module in CAN direction.
  • FIG. 1 A combination of multiple heavy load vehicle modules in a schematic view
  • FIG. 2 A heavy load vehicle module with electronic braking system and a means for wiring
  • FIG. 3 A combination of two heavy load vehicle modules in a schematic view
  • FIG. 4 A means for wiring a heavy load vehicle module in relay form
  • FIG. 5 An implementation of the means for wiring in FIG. 4 .
  • FIG. 6 An additional implementation of the means for wiring in FIG. 4 .
  • FIG. 1 shows a section of a combination of multiple heavy load vehicle modules to a heavy load vehicle, wherein in FIG. 1 three heavy load vehicle modules N ⁇ 1, N, N+1 are shown.
  • Each heavy load vehicle module comprises an axle direction AR, which is specified by the position of the hinged joint of the axle aggregate.
  • axle direction AR is specified by the position of the hinged joint of the axle aggregate.
  • front is the direction in which the hinged joint points.
  • the left and right sides of a heavy load vehicle module N ⁇ 1, N, N+1 are thus also specified.
  • This definition applies only to the individually examined vehicle chassis of the heavy load vehicle module.
  • the vehicle chassis may also be exchanged, meaning coupled front with front and rear with rear.
  • a lateral combination with free associations of the axle directions AR is also possible.
  • Each heavy load vehicle module N ⁇ 1, N, N+1 comprises a socket at each corner, wherein the socket S 1 at the left front corner, the socket S 2 at the right front corner, the socket S 3 at the rear left corner and the socket S 4 at the rear right corner arranged are. Furthermore, each heavy load vehicle module comprises an electronic braking system EBS, which serves to brake the heavy load vehicle modules N ⁇ 1, N, N+1.
  • EBS electronic braking system
  • Such a type of braking system for a heavy load vehicle module comprises for example a TRM and a TEBS, as was initially explained.
  • the heavy load vehicle modules are connected in the example in FIG. 1 via the right-side sockets S 2 and S 4 by means of respective connector cables V, wherein a CAN bus will be implemented via the connector cables to conduct the braking signal to the electronic braking system EBS.
  • each electronic braking system EBS of a heavy load vehicle module N ⁇ 1, N, N+1 has exactly one input for the CAN bus and exactly one output to transmit the CAN bus to the subsequent heavy load vehicle module.
  • FIG. 2 A detailed view of the internal data cable connections of a heavy load vehicle module can been seen in FIG. 2 .
  • the heavy load vehicle module N is shown, which possesses a multiplicity of axles.
  • the first axle in the heavy load vehicle module in FIG. 2 should be arranged on the left, so that the illustrated basis direction AR is obtained.
  • Each corner of the heavy load vehicle module comprises a socket S 1 , S 2 , S 3 , S 4 , by means of which multiple heavy load vehicle modules may be connected with one another.
  • the means for wiring VKM has the purpose of selecting two data cables from the data cables K 1 , K 2 , K 3 , K 4 as a function of the socket arrangement and so to connect the electronic braking apparatus EBS of the heavy load vehicle module N, so that a linear CAN bus results.
  • the electronic braking system EBS has a CAN bus input IN and a CAN bus output OUT.
  • the input 1 N and the output OUT of the electronic braking system EBS are not exchangeable, but instead the input IN of the heavy load vehicle module N in question must be connected with the CAN bus output of the previous heavy load vehicle module N ⁇ 1, and the output OUT must be connected to the input of the subsequent heavy load vehicle module N+1. Should the heavy load vehicle module in question be the first module, then input IN of the electronic braking system must be connected with the output of the master module typically arranged in the tractor vehicle. If the heavy load vehicle module in question is the last module in the combination, then the CAN bus ends at this heavy load vehicle module.
  • the means for wiring VKM comprises a switching logic, via which signals will be controlled, which are applied via the plugs of the connector cables V to the sockets S 1 , S 2 , S 3 , S 4 of the internal data cables K 1 , K 2 , K 3 , K 4 .
  • the switching logic in the means for wiring VKM ensures that not disconnected data cables K 1 , K 2 , K 3 , K 4 are electrically isolated from the means for wiring VKM or the electronic braking apparatus, and thus cannot act as antennas.
  • FIG. 3 shows two heavy load vehicle modules N, N+1 that are connected with one another via a connector cable V, wherein the connector cable V connects the right rear socket S 4 of the preceding heavy load vehicle module N with the right front socket S 2 of the following heavy load vehicle module N+1.
  • the connector cable V is directionally dependent, which is indicated by the arrow.
  • connection dependent means that the front end of the connector cable V must be aligned in direction of the preceding heavy load vehicle module N, in other words in the direction of the master module in the tractor vehicle, and the rear end in direction of the subsequent heavy load vehicle module N+1.
  • the switching logic of the means for wiring VKM of the preceding heavy load vehicle module N must now ensure that the internal data cable K 4 is connected with the CAN output OUT of the electronic braking system EBS of the preceding heavy load vehicle module N, whereas that of the means for wiring VKM of the subsequent heavy load vehicle module N+1 is connected with the CAN input IN of the electronic braking system EBS for the subsequent heavy load vehicle module N+1. Furthermore, each respective switching logic must ensure that unneeded internal data cables are electrically disconnected.
  • FIG. 4 shows a possible implementation of the switching logic of a means for wiring on the basis of a schematically represented heavy load vehicle module N, with sockets S 1 , S 2 , S 3 , S 4 arranged at each corner, and corresponding internal data cables K 1 , K 2 , K 3 , K 4 , as well as the electronic braking system EBS with the CAN input IN and the CAN output OUT, wherein the fundamental direction AR is also indicated.
  • the switching logic in the means for wiring is implemented through three relays A, B, and C.
  • the relay A switches between the internal data cables K 1 , K 2 of the front sockets S 1 and S 2
  • the relay B switches between the internal data cables K 3 and K 4 of the rear sockets S 3 and S 4
  • the relay C switches between the input IN and the output OUT of the electronic braking system EBS.
  • the relay A switches between left front and right front
  • the relay B switches between left rear and right rear
  • the relay C switches between front and rear.
  • the basis condition is shown for the switching logic implemented through the three relays A, B, C, in that the left front socket S 1 is connected with the CAN input IN of the electronic braking system apparatus EBS, and the left rear socket S 3 is connected with the CAN output OUT of the electronic braking system apparatus EBS. Therefore, in the unpowered basis condition of the CAN bus, the left front CAN socket S 1 is connected through to the left rear socket S 3 .
  • the switching logic must for example determine whether a socket, for example S 2 , is connected to a rear plug of a connector cable and another socket, thus S 1 , S 3 , or S 4 , is connected to a front plug of a connector cable.
  • FIG. 5 shows an implementation of the automatic selection in the means for wiring by extending the available plug connectors of the connector cable V between heavy load vehicle modules, so that an encoding will be implemented.
  • two otherwise unneeded pins in both plugs of a connector cable V are used, which by means of connections within each of the respective plugs front encoding and a rear encoding is obtained via an application of voltage Ub+.
  • the voltage supply UB+ occurs through the master module preferably arranged in the tractor vehicle, by means of switching on the starter.
  • a front signal will be applied to one pin of the front plug, for example pin 8 of the connector cable V
  • a rear signal will be applied to another pin of the rear plug, for example pin 9 of the connector cable V.
  • This voltage UB+ applied to the coding pins will be evaluated in a local selective logic as front/rear signal, and the inputs or outputs will be associated and switched on the electronic braking system BBS.
  • a left or right signal, respectively front and rear must be evaluated, which is also implemented via both of these encoding pins, since the connector cables V in use have a uniquely defined installation direction, and the connectors in use to the front pin and/or to the rear pin define them as front or rear.
  • Two connectors are defined respectively in the sockets S 1 , S 2 , S 3 , and S 4 , via which the selection signal reaches the switching logic.
  • These connectors are X 1 and X 2 for the left front socket S 1 ; X 3 and X 4 for the right front socket S 2 ; X 5 and X 6 for the left rear socket S 3 ; and X 7 and X 8 for the right rear socket S 4 .
  • the front signal is applied to the connectors X 1 , X 3 , X 5 , and X 7
  • the rear signal is applied to the connectors X 2 , X 4 , X 6 , and X 8 .
  • high-quality HF-suitable relays are used for switching the CAN signals, since they offer a low transmission resistance, electrical isolation, and a large signal voltage range (here 24V CAN bus).
  • relay A in FIG. 5 which determines the switching between left front and right front, that in unpowered condition it assumes the basis position left front shown in FIG. 4 , meaning that it switches the CAN signal, which lies on the left front socket S 1 , to the electronic braking system apparatus. Therefore, the encoding signals of the left front socket must not be evaluated. For a plug connection right front via the socket S 2 , the relay A must switch, meaning that the signal X 3 “right front” must be evaluated.
  • both signals are logically combined with an OR operator.
  • the same principles apply to the relays B and C, so that the logical switching shown in FIG. 5 results. Since only logical OR operators are present, this switching can be implemented for example via diode logic.
  • FIG. 6 shows an additional embodiment of the logical switching in the means for wiring according to the invention, wherein a extended evaluation of the signals X 1 to X 8 applied to the sockets occurs.
  • a extended evaluation of the signals cases are also covered in which (for example) more than two connector cables are plugged between two heavy load vehicle modules.
  • column 1 contains the number of the wiring variation and the first line the binary variables X 1 to X 8 as well as the resulting logical dimensions A, B, and C to switch the internal data cables K 1 , K 2 , K 3 , and K 4 , as is shown in FIG. 4 .
  • the associations given in line 1 of Table 1 state that the front signal lies on the X 1 pin of the left front socket S 1 through the connection to the rear end of the connector cable, whereas the rear signal lies on the X 6 pin of the left rear socket through the connection with the front end of the connector cable there. Therefore, the CAN bus will be switched from left front to left rear, as is shown in the basis condition in FIG. 4 .
  • the remaining 11 variations in Table 1 are self-explanatory.

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  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Regulating Braking Force (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
  • Valves And Accessory Devices For Braking Systems (AREA)
US14/366,406 2011-12-19 2012-12-18 Cabling device and electronic brake system for a modular heavy goods vehicle and for a heavy goods vehicle Active 2033-01-03 US9725078B2 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE102011121374A DE102011121374B4 (de) 2011-12-19 2011-12-19 Verkabelungseinrichtung und elektronisches Bremssystem für ein Schwerlastmodulfahrzeug und für ein Schwerlastfahrzeug
DE102011121374 2011-12-19
DE102011121374.4 2011-12-19
PCT/EP2012/005222 WO2013091828A1 (fr) 2011-12-19 2012-12-18 Dispositif de câblage et système de freinage électronique pour véhicule modulaire de transport lourd et pour véhicule lourd

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US20150298669A1 US20150298669A1 (en) 2015-10-22
US9725078B2 true US9725078B2 (en) 2017-08-08

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US14/366,406 Active 2033-01-03 US9725078B2 (en) 2011-12-19 2012-12-18 Cabling device and electronic brake system for a modular heavy goods vehicle and for a heavy goods vehicle

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US (1) US9725078B2 (fr)
EP (1) EP2794369B1 (fr)
CN (1) CN104093612B (fr)
DE (1) DE102011121374B4 (fr)
IN (1) IN2014MN01434A (fr)
PL (1) PL2794369T3 (fr)
WO (1) WO2013091828A1 (fr)

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WO2015042540A1 (fr) 2013-09-23 2015-03-26 Farmobile, Llc Système de collecte et d'échange de données agricoles
DE102016204543A1 (de) 2016-03-18 2017-09-21 Goldhofer Ag Schleppfahrzeug
US20230415716A1 (en) * 2022-05-24 2023-12-28 Bendix Commercial Vehicle Systems Llc Braking System with Redundant Trailer Communication
DE102023100931A1 (de) 2023-01-17 2024-07-18 Zf Cv Systems Global Gmbh Verfahren zum Bremsen eines mehrgliedrigen Fahrzeugs, insbesondere Nutzfahrzeugs, Steuergerät für einen Anhänger, Anhänger, Computerprogramm und/oder computerlesbares Medium

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US8935435B2 (en) * 2007-07-06 2015-01-13 Eaton Electrical Ip Gmbh & Co. Kg System and method for controlling bus-networked devices via an open field bus

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US8935435B2 (en) * 2007-07-06 2015-01-13 Eaton Electrical Ip Gmbh & Co. Kg System and method for controlling bus-networked devices via an open field bus
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Publication number Publication date
US20150298669A1 (en) 2015-10-22
WO2013091828A1 (fr) 2013-06-27
CN104093612B (zh) 2017-01-18
IN2014MN01434A (fr) 2015-07-03
DE102011121374A1 (de) 2013-06-20
PL2794369T3 (pl) 2017-01-31
EP2794369A1 (fr) 2014-10-29
CN104093612A (zh) 2014-10-08
DE102011121374B4 (de) 2013-09-19
EP2794369B1 (fr) 2016-04-06

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